refactor: Use NodeConnectionType consistently across the code base (no-changelog) (#10595)

packages/nodes-base/nodes/PostBin/PostBin.node.ts

@@ -1,4 +1,5 @@
 import type { INodeType, INodeTypeDescription } from 'n8n-workflow';
+import { NodeConnectionType } from 'n8n-workflow';
 
 import { binFields, binOperations } from './BinDescription';
 
@@ -16,8 +17,8 @@ export class PostBin implements INodeType {
 		defaults: {
 			name: 'PostBin',
 		},
-		inputs: ['main'],
-		outputs: ['main'],
+		inputs: [NodeConnectionType.Main],
+		outputs: [NodeConnectionType.Main],
 		credentials: [],
 		requestDefaults: {
 			baseURL: 'https://www.toptal.com',